Developing: MSNBC is giving regular "Countdown with Keith Olbermann" fill-in host Lawrence O'Donnell the 10 p.m. hour, the network says. O'Donnell will start developing the program immediately, though no format, title or start date has been set. "Lawrence O'Donnell is an incredible talent, who our audience has gotten to know throughout the years, most recently as Keith Olbermann's principal guest host on 'Countdown.' It's great to have another anchor of his caliber on the network," said MSNBC president Phil Griffin in a statement. "This makes us a bigger and better network." "I've had a part-time job at MSNBC for 14...
